`22,``f`

`+` Community service is very important in social life.

`23,``f` 

`+` So it is necessary for us to take part in volunteer activities to help poor people and elderly people.

`24,``f` 

`+` Firstly, it is easy for us to collect old clothes which we don’t need.

`25,``t`

`+` Through these activities, we can develop our leadership skill by organizing fund raising, providing food as well.

`26,``A`

`*` S + has/have + V3/ed

`27,``A`

`28,``B`

`*` S + Vs/es 

`#` `mikey3`

`1.``F`

`-` Community service ...... social life.

`2.``F`

`-` So it is necessary ...... elderly people.

`3.``F`

`-` Firstly ...... which we don’t need.

`4.``T`

`-` Through these activities ...... providing food as well.

`5.``a`

`-` S + have/has + V-pp 

`6.``a`

`-` Bởi vì bạn có thể bị sâu răng ( Dịch )

`7.``b`

`-` S + Vs/es